Risk Guides

Concise, practical guidance

two people in site safety clothing and hard hats crouching and checking the work on the flooring

NHBC Risk Guides provide concise, practical guidance in meeting NHBC requirements in particular parts of the construction process.

The Risk Guides are issued to our building inspectors. They’ll refer to them at their pre-start meeting with you and may then use them as your work progresses on site depending on the specific site requirements.

Where useful information already exists, the guides will refer to these additional resources. Where existing information doesn’t exist, the guides may include an element of technical detailing to assist in interpretation and understanding.

When using the guides remember that they’re designed as a discussion document, and not a fully exhaustive checklist or compilation of all applicable technical details.

Download NHBC Risk Guides

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Balconies - revised 05/20

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Cavity trays/DPCs – Superstructure - revised 05/20

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Fire considerations (blocks) - revised 05/20

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Ground supported slabs - revised 05/20

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Heave precautions - revised 05/20

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Parapets and copings - revised 05/20

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Pitched roof covering - revised 01/24

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Radon/Gas protection - revised 01/24

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Render - revised 05/20

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Spandrel panels to cold roof spaces - revised 05/20

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Waterproofing basements and other below ground structures - revised 01/24

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Technical disclaimer

Any technical information contained on this website is produced by NHBC as guidance solely for all our builder customers as to how to interpret the technical requirements in relation to the warranty cover provided by NHBC under its Buildmark, Buildmark Choice, Buildmark Link, Buildmark Solo, Buildmark Connect or any similar product from time to time. It has not been created or intended for distribution or use outside of that purpose. The technical information contained on this web page does not constitute advice and is not to be relied upon by any third party. Nothing on this web page is intended to, nor should it be taken to, create any legal or contractual relationship. Any third party who chooses to rely upon the information contained on this web page shall do so entirely at their own risk and NHBC accepts no duty of care or liability, however caused, in connection with its use or reliance by any third party.